CN2817141Y - Small-sized vacuum load switch cabinet - Google Patents
Small-sized vacuum load switch cabinet Download PDFInfo
- Publication number
- CN2817141Y CN2817141Y CN 200520090073 CN200520090073U CN2817141Y CN 2817141 Y CN2817141 Y CN 2817141Y CN 200520090073 CN200520090073 CN 200520090073 CN 200520090073 U CN200520090073 U CN 200520090073U CN 2817141 Y CN2817141 Y CN 2817141Y
- Authority
- CN
- China
- Prior art keywords
- cabinet
- vacuum
- connecting lever
- isolating switch
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a miniature vacuum load switch cabinet which comprises a cabinet body and three vacuum arc extinguishing chambers. The utility model is characterized in that a partition board is fixedly arranged in the cabinet transversely, the three vacuum arc extinguishing chambers are respectively and fixedly arranged in three insulating covers, and the middle parts of the three insulating covers are respectively and fixedly arranged in the positions of three insulating holes which are arranged in a line on the partition board, and forms an integral structure with the cabinet body. The utility model breaks through a traditional structural form that the load switch cabinet is arranged in a vacuum load switch after the load switch cabinet is manufactured, has the advantages of small size, raw material saving, strong breaking capacity, safety, long electrical endurance, capability of frequent operation, little maintenance, etc., has an obvious isolating fracture, can be assembled with a grounding knife with making capacity and an electric spring mechanism, and can be control in a remote way.
Description
(1) technical field
The utility model relates to a kind of switch cubicle, particularly relates to a kind of small size vacuum loading switch and is switch cubicle upper unit independently.
(2) background technology
Vacuum load switch is the key equipment of distribution and ring network power supply.The a large amount of applied load switches of developed countries are as terminal protection equipment.In the past use breaker protection in China always, cause cost performance very unreasonable, the developed countries on-load switch is 7: 1 with the ratio of circuit breaker.At present China's on-load switch is about 1: 1 with the ratio of circuit breaker, needs also that active development is rational in infrastructure, the vacuum load switch of dependable performance.Particularly the vacuum load switch body of producing both at home and abroad at present is designed to independently unit original paper, and independently vacuum load switch is contained in the switch cubicle again, makes whole switch cubicle overall dimension big, and complex structure, and maintenance is inconvenient, has hidden danger on electric.
(3) summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, maintenance is convenient, security performance is high, volume is little integrated small vacuum loading switch cabinet.
Small size vacuum loading switch cabinet, its technical essential are that vacuum load switch and switch cabinet are assembled into an overall structure.What specifically comprise switch cabinet, three vacuum interrupters, three isolating switch divide-shut brake conductive components, three vacuum interrupters closes, divides operating mechanism, three isolating switch blade driving mechanisms and three insulating covers.The upper and lower end of three insulating covers is an openend.Laterally be installed with dividing plate in the switch cabinet, this dividing plate is separated into upper space and lower space with the cabinet inner space.Upper space is the main bus bar chamber.The top of lower space is switch actuated element chamber, and the bottom of lower space is the cable vault.Three insulating cover through holes are arranged on the dividing plate.Word order is fixed with three insulators on the roof of cabinet, is fixed with three-phase bus and quiet tool rest respectively three insulator lower ends, constitutes the galvanic circle.Three insulating covers pass three insulating cover through holes respectively from the switch actuated element is indoor, and it is indoor to make three insulating cover tops be positioned at main bus bar.Three insulating covers are separately fixed on the dividing plate.Three vacuum interrupters are installed in three insulating cover internal upper parts respectively, and are separately fixed on the corresponding with it insulating cover.
Three isolating switch divide-shut brake conductive components, structurally identical, comprise the quiet end seat of isolating switch blade and isolation knife.The quiet end seat of isolation knife lower end is connected with the quiet end of vacuum interrupter, and its upper end is hinged with isolation blade lower end.The upper end of isolating switch blade and the quiet tool rest contact that is connected with main bus bar during "on" position.Isolating switch blade driving mechanism comprises insulated tension pole, rotating shaft and connecting lever.Connecting lever one end is fixedlyed connected with rotating shaft, and an end of the other end and insulated tension pole is hinged, and the other end of insulated tension pole and isolating switch blade are hinged.The rotating shaft two ends are supported by two axle beds that are fixed on the dividing plate upper surface respectively.Three vacuum interrupters to close the branch operating mechanism structurally identical, be set up in parallel at the switch actuated element indoor.Each vacuum interrupter close the branch operating mechanism, comprise on-load switch three-phase main shaft, main shaft connecting lever, insulated tension pole and conducting rod connecting lever.The two ends of on-load switch three-phase main shaft are supported by two axle beds that are fixed on the dividing plate lower surface respectively.Main shaft connecting lever one end is fixed on the on-load switch three-phase main shaft, one end of the other end and insulated tension pole is hinged, and the other end of insulated tension pole and conducting rod connecting lever are hinged, and the conducting rod connecting lever is arranged in the insulating cover, the conducting rod connecting lever is fixed on the insulating cover by bearing pin, and insulating cover is the fixing point of connecting lever.Slide block on the other end of conducting rod connecting lever and the moving conductive rod of vacuum interrupter is hinged.On the moving conductive rod that is positioned at slide block top, be set with the contact pressure spring.The moved end electrically conducting manner of on-load switch arc control device is different with traditional electrically conducting manner, adopts copper to be flexible coupling contact to compress with arc control device moving conductive rod end face, and the traditional connected mode of the conductive clip that goes to disappear, very simple and reliable.The other end that copper is flexible coupling is installed on the insulating cover, can be connected with fuse base or busbar easily, forms the galvanic circle.
Rotating shaft and main shaft can be manually or electric operating.
In the cable vault, be equiped with primary elements such as comprising current transformer, fuse, earthed switch, lightning arrester.
Small size vacuum loading switch cabinet can be made into the branch body structure and forms, and promptly is designed to independently upper unit and lower unit.The upper unit seat is located at the upper end of lower unit, and the cabinet of upper unit is connected by bolt with the cabinet of lower unit, the switch cabinet.Upper unit is vacuum load switch and main bus bar chamber and switch element Transmission Room.Lower unit is the cable vault, and the lower unit height can be expanded arbitrarily.
After the vacuum load switch assembling is finished, just finished the main device of cabinet, after having broken through traditional elder generation loading switch cabinet being completed, reinstall the version of vacuum load switch, but have volume little, save advantages such as raw material, connecting-disconnecting function are big, safe and reliable, long service life frequent operation, few maintenance.The utlity model has tangible isolation fracture, can be equipped with ground connection cutter and electric spring mechanism with making capability, can Long-distance Control.
(4) description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Fig. 2 is the left view of Fig. 1.
(5) embodiment
Small size vacuum loading switch cabinet comprises that cabinet 1, three vacuum interrupters 2, three isolating switch divide-shut brake conductive components, three vacuum interrupters close branch operating mechanism and three insulating covers 3.Crosswise fixed has dividing plate 4 in the cabinet 1, and dividing plate 4 is separated into upper space 5 and lower space with cabinet 1 inner space.Upper space 5 is the main bus bar chamber.The top of lower space is switch element Transmission Room 6, and the bottom of lower space is cable vault 20.Be arranged with three insulating cover through holes 7 on the dividing plate 4.Word order is fixed with three insulators 8 on the roof of cabinet 1, is fixed with respectively on the quiet tool rest 21 of 21, three isolation knife of the quiet tool rest of isolation knife in the lower end of three insulators 8 and is fixed with three-phase bus 9 respectively.Three insulating covers 3 are structurally identical, and in switch element Transmission Room 6 its top stretched in the main bus bar chamber 5 respectively from three insulating cover through holes 7, and three insulating covers 3 are separately fixed on the dividing plate 4.Three vacuum interrupters 2 are installed in the top in three insulating covers 3 respectively, and fixedly connected with corresponding insulating cover respectively.Three isolating switch divide-shut brake conductive components are structurally identical, and it is indoor to be arranged on main bus bar.Isolating switch divide-shut brake conductive component comprises isolating switch blade 10 and quiet end seat 22, and the lower end of quiet end seat 22 connects with the quiet end of corresponding vacuum interrupter 2, and the upper end of quiet end seat 22 is hinged with corresponding isolating switch blade 10.Three isolating switch blades 10 are when "on" position, respectively with quiet tool rest 21 contacts of corresponding isolation knife.Three isolating switch blade driving mechanisms are structurally identical, include insulated tension pole 12, rotating shaft 13 and connecting lever 14.Connecting lever 14 1 end solid weldings are in rotating shaft 13, and an end of the other end of connecting lever 14 and insulated tension pole 12 is hinged, and the other end of insulated tension pole 12 and isolating switch blade 10 are hinged.Two ends of rotating shaft 13 are supported by two axle beds 11 on the upper surface that is fixed on dividing plate 4 respectively.Three vacuum interrupters to close the branch operating mechanism structurally identical, be separately positioned in the switch element Transmission Room 6, each vacuum interrupter closes the branch operating mechanism, comprises main shaft 15, connecting lever 16, insulated tension pole 17, connecting lever 18.One end of connecting lever 16 is fixed on the main shaft 15, one end of the other end and insulated tension pole 17 is hinged, the other end of insulated tension pole 17 is hinged with an end that is arranged on the connecting lever 18 of bottom in the insulating cover 3, connecting lever 18 connects by bearing pin and insulating cover 3, slide block 23 on the other end of connecting lever 18 and the moving conductive rod of vacuum interrupter 19 is hinged, a be flexible coupling end of 24 of copper is sleeved on the moving conductive rod 19, and by the nut back of the body tightly on moving conductive rod 19.Be flexible coupling 24 the other end of copper is fixed on the insulating cover 3.Above being positioned at slide block 23 on the moving conductive rod 19, be set with contact pressure spring 25.The two ends of main shaft 15 are supported by two axle beds that are fixed on dividing plate 4 lower surfaces respectively.Owing in upper end of slide block the contact pressure spring is housed, the combined floodgate rear spring is compressed, and the distance between motion block lower end and the nut is an overtravel.Under the situation that guarantees the spring amount of being compressed, whole adjustment is very succinct, convenient.
When the on-load switch closing position, the connecting lever 16 on the main shaft 15 is 170 ° with insulated tension pole 17 center connecting line angles, makes that contact pressure is very little to the bending moment that the three-phase main shaft produces when closing a floodgate, and mechanism's output work is little, and is laborsaving during the manpower energy storage.
Above-mentioned cabinet 1 can be designed to split formula structure, is is promptly connected and composed by bolt by last cabinet 26 and lower cabinet body 27.
Claims (3)
1, small size vacuum loading switch cabinet, comprise that cabinet (1), three vacuum interrupters (2), three isolating switch divide-shut brake conductive components, three isolating switch blade driving mechanisms, three vacuum interrupters close branch operating mechanism and three insulating covers (3), is characterized in that laterally being installed with in the cabinet (1) dividing plate (4); Three vacuum interrupters (2) are installed in respectively in three insulating covers (3), and three insulating cover through holes (7) that this three insulating covers (3) middle part is installed in the last word order of dividing plate (4) are respectively located, with cabinet (1) structure in aggregates.
2, small size vacuum loading switch cabinet according to claim 1 is characterized in that: cabinet (1) is a split-type structural, is connected and composed by last cabinet (26) and lower cabinet body (27).
3, small size vacuum loading switch cabinet according to claim 1, it is characterized in that: word order is fixed with three insulators (8) on the roof of cabinet (1), be fixed with the quiet tool rest of isolation knife (21) respectively in the lower end of three insulators (8), be fixed with three-phase bus (9) on three quiet tool rests of isolation knife (21) respectively; Three isolating switch divide-shut brake conductive components and three isolating switch blade driving mechanisms are installed in respectively in the main bus bar chamber (5), and corresponding with three vacuum interrupters (2) respectively; Isolating switch divide-shut brake conductive component, comprise isolating switch blade (10) and quiet end seat (22), the lower end of quiet end seat (22) connects with the quiet end of corresponding vacuum interrupter (2), the upper end of quiet end seat (22) is hinged with corresponding isolating switch blade (10), and isolating switch blade (10) can contact with the quiet tool rest of isolation knife (21); Isolating switch blade driving mechanism, comprise insulated tension pole (12), rotating shaft (13) and connecting lever (14), connecting lever (14) one ends are fixed in the rotating shaft (13), one end of the other end and insulated tension pole (12) is hinged, the other end of insulated tension pole (12) and isolating switch blade (10) are hinged, and two ends of rotating shaft (13) are supported by two axle beds (11) on the upper surface that is fixed on dividing plate (4) respectively; Three vacuum interrupters close the branch operating mechanism and are installed in respectively in the switch element Transmission Room (6), the vacuum interrupter operating mechanism, comprise main shaft (15), connecting lever (16), insulated tension pole (17), connecting lever (18), one end of connecting lever (16) is fixed on the main shaft (18), one end of the other end and insulated tension pole (17) is hinged, the other end of insulated tension pole (17) is hinged with an end of the connecting lever (18) that is arranged on the interior bottom of insulating cover (3), connecting lever (18) connects by bearing pin and insulating cover (3), and the slide block (23) on the moving conductive rod (19) of the other end of connecting lever (18) and vacuum interrupter is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090073 CN2817141Y (en) | 2005-04-04 | 2005-04-04 | Small-sized vacuum load switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520090073 CN2817141Y (en) | 2005-04-04 | 2005-04-04 | Small-sized vacuum load switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817141Y true CN2817141Y (en) | 2006-09-13 |
Family
ID=36996951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520090073 Expired - Lifetime CN2817141Y (en) | 2005-04-04 | 2005-04-04 | Small-sized vacuum load switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817141Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461567C (en) * | 2005-04-04 | 2009-02-11 | 沈阳昊诚电气设备有限公司 | Small vacuum load switch cabinet |
| WO2011020510A1 (en) * | 2009-08-20 | 2011-02-24 | Siemens Aktiengesellschaft | Switch module for medium-voltage switchgear and medium-voltage switchgear |
| CN102332688A (en) * | 2010-07-14 | 2012-01-25 | 沈阳昊诚电气股份有限公司 | 24kV small-sized vacuum load switch (circuit breaker) cabinet |
-
2005
- 2005-04-04 CN CN 200520090073 patent/CN2817141Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461567C (en) * | 2005-04-04 | 2009-02-11 | 沈阳昊诚电气设备有限公司 | Small vacuum load switch cabinet |
| WO2011020510A1 (en) * | 2009-08-20 | 2011-02-24 | Siemens Aktiengesellschaft | Switch module for medium-voltage switchgear and medium-voltage switchgear |
| CN102484359B (en) * | 2009-08-20 | 2015-11-25 | 西门子公司 | For switch module and the medium voltage switchgear equipment of medium voltage switchgear equipment |
| CN102332688A (en) * | 2010-07-14 | 2012-01-25 | 沈阳昊诚电气股份有限公司 | 24kV small-sized vacuum load switch (circuit breaker) cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090211 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |